code: def parse_args():
      """Otb2015 dataset parameter."""
      parser = argparse.ArgumentParser(
          description="Download Otb2015 and prepare for tracking"
      )
      parser.add_argument(
          "--download-dir",
          type=str,
          default="~/.mxnet/datasets/otb/",
          help="dataset directory on disk",
      )
      args = parser.parse_args()
      args.download_dir = os.path.expanduser(args.download_dir)
      return args
  
file_path: gluon-cv/scripts/datasets/otb2015.py
imports: import argparse
  import tarfile
  import os
  import time
  import json
  import numpy
  from gluoncv.utils import download, makedirs
label_desc: Use image node_id 1 for calling a global function with example usage: parse_args() and returns: args